work on parallel postulate
TITLE: mathematics
SECTION: Foundations of geometry
Interest in the parallel postulate developed in the 16th century after the recovery and Latin translation of Proclus’s commentary on Euclid’s Elements. The Italian researchers Christopher Clavius in 1574 and Giordano Vitale in 1680 showed that the postulate is equivalent to asserting that the line equidistant from a straight line is a straight line. In 1693 John Wallis, Savilian...